Union, Duoflow, G 1/2" RH, G 3/8"
157-028-125168
- Monoflow and duoflow design
- Self-supported rotating union
- Radial housing connection
- Balanced mechanical seals
- Keyed rotor seal
- Easy and quick replacement of sealing components
- Ball bearings lubricated for life
- E.L.S. (Extended Life Service) seal combination for poor water quality
- 3 vent holes
- Forged brass housing and stainless steel rotor
- Special options include threaded vent holes
Dimensions
A
G 1/2"-14 RHG 1/2"-14 RH
B
G 3/8"-19G 3/8"-19
C
57.2 mm2.252 "
D1
136 mm5.354 "
D2
150 mm5.906 "
E
35 mm1.378 "
F
19 mm0.748 "
G
12.7 mm0.5 "
H
30 mm1.181 "
J
79 mm3.11 "
K
3/8"-18 NPT3/8"-18 NPT
M
18 mm0.709 "
N
43 mm1.693 "
O
G 3/8"-19 RHG 3/8"-19 RH
P
G 1/8"-28G 1/8"-28
R
136 mm5.354 "
S
23.5 mm0.925 "
S2
10 mm0.394 "
S3
FixedFixed
Operating Specifications
Media
WaterWater
Rotor Connection
G 1/2"-14 RH G 1/2"-14 RH
Supply Connection
G 3/8"-19 G 3/8"-19
Water Max. Flow
26.9 l/min7.1 GPM
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
93 °C195 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions